Financing Arrangements (Tables)

12 Months Ended

Dec. 31, 2013

Financing Arrangements [Abstract]

Carrying Amount of Liability Component and Remaining Unamortized Debt Discount

At the dates indicated, the net carrying amount of the liability component and the remaining unamortized debt discount were as follows (in thousands):

	December 31,
	2013		2012
Carrying amount of equity component	$	20,470		20,470
Carrying amount of the liability component		108,750		104,637
Unamortized discount of the liability component		11,250		15,363
Unamortized debt financing costs		2,034		2,778

Expenses in Relation to Convertible Notes

During the years ended December 31, 2013, 2012 and 2011, the Company recorded the following expenses in relation to the Notes (in thousands):

	2013		2012		2011
Interest expense at 3.50% coupon rate	$	4,200	$	4,200	$	2,450
Debt discount amortization		4,113		3,828		2,109
Deferred financing cost amortization		744		692		382
	$	9,057	$	8,720	$	4,941